Uslu, C.; Park, B. & Poker, D.B. Synthesis and characterization of a metastable (SiC){sub 3}N{sub 4} phase, article, December 31, 1994; (https://digital.library.unt.edu/ark:/67531/metadc779790/m1/1/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .